CN105299955A - Heat pump system for automatically optimizing evaporation temperature of compressor - Google Patents
Heat pump system for automatically optimizing evaporation temperature of compressor Download PDFInfo
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- CN105299955A CN105299955A CN201510859516.6A CN201510859516A CN105299955A CN 105299955 A CN105299955 A CN 105299955A CN 201510859516 A CN201510859516 A CN 201510859516A CN 105299955 A CN105299955 A CN 105299955A
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Abstract
The invention relates to the technical field of heat pump equipment, and particularly relates to a heat pump system for automatically optimizing an evaporation temperature of a compressor. The heat pump system for automatically optimizing the evaporation temperature of the compressor comprises the compressor and a control heat exchanger for automatically optimizing the evaporation temperature, wherein the control heat exchanger for automatically optimizing the evaporation temperature comprises a refrigerant heat exchange side and a medium heat exchange side; and the exhaust end of the refrigerant heat exchange side is communicated with the suction end of the compressor. The heat pump system for automatically optimizing the evaporation temperature of the compressor further comprises a temperature controller, and a flow control device used for controlling the flow of a heat exchange medium in the medium heat exchange side, wherein the temperature controller controls the efficiency of heat exchange carried out by a refrigerant in the refrigerant heat exchange side and the heat exchange medium in the medium heat exchange side in the control heat exchanger for automatically optimizing the evaporation temperature according to an outdoor environment temperature, and adjusts the evaporation temperature into a set temperature range. The heat pump system for automatically optimizing the evaporation temperature of the compressor, which is disclosed by the invention, is capable of realizing winter heat adjustment and/or summer cold adjustment for the evaporation temperature of the compressor, so as to achieve the purpose of increasing the running efficiency of heating and refrigeration.
Description
Technical field
The present invention relates to heat-pump apparatus technical field, particularly relate to a kind of heat pump of compressor evaporating temperature Automatic Optimal.
Background technology
Such as air-cooled heat pump, air source heat pump, air energy heat pump air-conditioning and the product such as air-source, wind energy heat pump water heater that prior art is produced, in order to adapt to efficient heating operation under lower temperature, mostly adopting the swirling vapor of U.S.'s paddy wheel to spray and increasing the assembly of enthalpy formula compressor.Current vapour injection increases enthalpy technology, only be useful on compact scroll formula compressor and apply, and small-sized heat pump water heater and air-conditioning products can only be produced, not yet find that there is and to be applied among Large Piston, screw rod and centrifugal compressor and to have large-scale source pump product to come out.But utilize swirling vapor to spray increasing enthalpy formula compressor, the air-conditioning products such as the air source heat pump of assembling, also only adapt to use under outside air temperature ﹣ more than 20 DEG C environment, lower than the air source heat pump product of the even lower temperature of ﹣ less than 20 DEG C, not yet find relevant report.
For the problems referred to above, the present invention proposes a kind of heat pump of compressor evaporating temperature Automatic Optimal, adopt and automatically control heat transfer technology, according to outside air temperature and the compressor evaporating temperature numerical value preset, automatic adjustment evaporating temperature, reach the evaporating temperature that applicable wind energy heat pump is optimized, and comparatively energy-conservation operational mode, can under the ultra-low temperature surroundings of ﹣ more than 35 DEG C efficient heating operation.And this compressor evaporating temperature optimisation technique can be applied among piston, screw rod and any large-scale compressor such as centrifugal, and large-scale ultralow temperature wind energy heat pump air-conditioner set and domestic hot-water's device product can be manufactured.
Summary of the invention
The object of the invention is to the heat pump proposing a kind of compressor evaporating temperature Automatic Optimal, the problem that heat pump of the prior art can not use at low ambient temperatures can be solved.
For reaching this object, the present invention by the following technical solutions:
A kind of heat pump of compressor evaporating temperature Automatic Optimal, comprise compressor, wherein, also comprise evaporating temperature Automatic Optimal and control heat exchanger, described evaporating temperature Automatic Optimal controls heat exchanger and comprises refrigerant heat exchanger side and media for heat exchange side, the described exhaust end of refrigerant heat exchanger side is communicated with the suction end of compressor, and carries out exchange heat by the heat transferring medium in the cold-producing medium in refrigerant heat exchanger side and media for heat exchange side, compressor evaporating temperature is adjusted in the optimization temperature range of setting.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, also comprise temperature controller, and for the volume control device of heat transferring medium flow in control medium heat exchange side, described temperature controller is according to outdoor environment temperature, by described volume control device, control the cold-producing medium in described refrigerant heat exchanger side and the heat transferring medium in media for heat exchange side carries out exchange heat in evaporating temperature Automated condtrol heat exchanger, compressor evaporating temperature is adjusted in the optimization temperature range of setting.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, also comprise four-way change-over valve, air conditioner cold and hot water exports heat exchanger, expansion valve, heat pump outdoor heat exchanger, heat pump outdoor fan, air-conditioning export isolation heat exchanger, air-conditioning exports water circulating pump, fan coil;
The two ends of described media for heat exchange side are communicated with the circulatory system also forming with it heating hot water heat transferring medium with energy storage water tank respectively by pipeline, described volume control device is the evaporating temperature Automatic Optimal control pump be arranged between the pipeline of media for heat exchange side and energy storage water tank.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, also comprise four-way change-over valve, air conditioner cold and hot water output heat exchanger, expansion valve, heat pump outdoor heat exchanger, heat pump outdoor fan, air-conditioning output circulating pump, fan coil and air-conditioning output check-valves;
The two ends of described media for heat exchange side export import, the outlet of heat exchanger water lateral line respectively with air conditioner cold and hot water, described volume control device is be arranged on evaporating temperature Automatic Optimal control pump on both connecting lines and evaporating temperature optimizes check-valves.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, also comprise cold-hot wind in four-way change-over valve, air conditioning chamber and export Cooling and heating blower, expansion valve, heat pump outdoor heat exchanger and heat pump outdoor fan in heat exchanger, air conditioning chamber;
The two ends of described media for heat exchange side respectively and the exhaust end of compressor and heat pump outdoor heat exchanger, pipeline connection between expansion valve, described volume control device is be arranged on the evaporating temperature Automatic Optimal electric expansion valve on both connecting lines.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, also comprise cold-hot wind in four-way change-over valve, air conditioning chamber and export Cooling and heating blower, expansion valve, heat pump outdoor heat exchanger and heat pump outdoor fan in heat exchanger, air conditioning chamber;
The exhaust end of described compressor is connected with domestic hot-water's coil heat exchanger, and the outer cover of this domestic hot-water's coil heat exchanger is provided with domestic hot-water's water tank;
Described domestic hot-water's water tank is provided with domestic hot-water's tank stop safety valve, running water water compensating valve, tap water interface, domestic hot-water's output valve, domestic hot-water's output interface;
The two ends of described media for heat exchange side are communicated with domestic hot-water's water tank respectively by pipeline, and forming the circulatory system of domestic hot-water's heat transferring medium, described volume control device is the evaporating temperature Automatic Optimal control pump be arranged between media for heat exchange side and domestic hot-water's water tank.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, also comprise domestic hot-water's coil heat exchanger, expansion valve, heat pump outdoor heat exchanger, heat pump outdoor fan, and be set in the domestic hot-water's water tank outside domestic hot-water's coil heat exchanger;
Described domestic hot-water's water tank is provided with domestic hot-water's tank stop safety valve, running water water compensating valve, tap water interface, domestic hot-water's output valve, domestic hot-water's output interface;
The two ends of described media for heat exchange side are communicated with domestic hot-water's water tank respectively by pipeline, and volume control device is be arranged on the evaporating temperature Automatic Optimal control pump on both connecting line.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, the exhaust end of described compressor is connected with domestic hot-water's coil heat exchanger, and the outer cover of this domestic hot-water's coil heat exchanger is provided with domestic hot-water's water tank;
Described domestic hot-water's water tank is provided with domestic hot-water's tank stop safety valve, running water water compensating valve, tap water interface, domestic hot-water's output valve, domestic hot-water's output interface.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, also comprise condenser, expansion valve, heat pump outdoor heat exchanger, heat pump outdoor fan, and carry out domestic hot-water's storage tank of exchange heat with condenser, and be the domestic hot-water's accumulation of heat circulating pump between described condenser and domestic hot-water's storage tank;
Described domestic hot-water's storage tank is provided with domestic hot-water's storage tank, running water water compensating valve, tap water interface, domestic hot-water's rear pump, domestic hot-water's output valve and domestic hot-water's output interface to form;
The two ends of described media for heat exchange side are communicated with domestic hot-water's storage tank respectively by pipeline, and volume control device is be arranged on the evaporating temperature Automatic Optimal control pump on both connecting line.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, the sensor setting of described temperature controller at the air entry place of compressor, and according to the rotating speed of the temperature detected by Frequency Converter Control evaporating temperature Automatic Optimal control pump.
As a kind of preferred version of the heat pump of above-mentioned compressor evaporating temperature Automatic Optimal, the sensor setting of described temperature controller is at the air entry place of compressor, and the aperture of air-breathing Automatic Optimal electric expansion valve is controlled according to the temperature detected, and except heating state, control air-breathing Automatic Optimal electric expansion valve in other conditions and be in closed condition.
Beneficial effect of the present invention is: the present invention is by cold-producing medium and media for heat exchange, exchange heat is carried out in evaporating temperature optimal control heat exchanger, the evaporating temperature of compressor is improved when heat pump can be made to use under low-temperature condition, and under the state of heat pump refrigeration and the higher situation of outdoor temperature can reduce the evaporating temperature of compressor, reach to improve to heat the object with refrigerating operaton efficiency.
Accompanying drawing explanation
Fig. 1, be the specific embodiment of the invention one, the structural representation of the compressor evaporating temperature hot and cold mode wind energy heat pump accumulating type air conditioner water heating machine provided;
Fig. 2, be the specific embodiment of the invention two, the structural representation of the compressor evaporating temperature hot and cold mode wind energy heat pump air conditioner water heating machine provided;
Fig. 3, be the specific embodiment of the invention three, the compressor evaporating temperature hot mode wind energy heat pump electronic expansion valve controls type air conditioner water heating machine provided;
Fig. 4, be the specific embodiment of the invention four, the structural representation of the compressor evaporating temperature hot mode wind energy heat pump air conditioner water heating machine provided;
Fig. 5, be the specific embodiment of the invention five, the compressor evaporating temperature optimized-type wind energy heat pump Minitype domestic hot water device provided;
Fig. 6, be the specific embodiment of the invention six, the large-scale domestic hot-water's device of compressor evaporating temperature optimized-type wind energy heat pump provided;
Wherein:
1: compressor, 2: domestic hot-water's coil heat exchanger, 3: domestic hot-water's water tank, 4: four-way change-over valve, 5: air conditioner cold and hot water exports heat exchanger, 6: expansion valve, 7: heat pump outdoor heat exchanger, 8: heat pump outdoor fan, 9: evaporating temperature Automatic Optimal controls heat exchanger, 10: evaporating temperature Automatic Optimal control pump, 11: air-conditioning exports storage pump, 12: energy storage water tank, 13: air-conditioning exports isolation heat exchanger, 14: air-conditioning exports water circulating pump, 15: fan coil, 16: domestic hot-water's tank stop safety valve, 17: running water water compensating valve, 18: tap water interface, 19: domestic hot-water's output valve, 20: domestic hot-water's output interface, 21: evaporating temperature optimizes check-valves, 22: air-conditioning exports check-valves, 23: in air conditioning chamber, cold-hot wind exports heat exchanger, 24: Cooling and heating blower in air conditioning chamber, 25: condenser, 26: domestic hot-water's accumulation of heat circulating pump, 27: domestic hot-water's storage tank, 28: temperature Automatic Optimal electric expansion valve, 29: domestic hot-water's rear pump.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
This application provides a kind of heat pump of compressor evaporating temperature Automatic Optimal, it comprises compressor 1, heat exchanger 9 is controlled with evaporating temperature Automatic Optimal, evaporating temperature Automatic Optimal controls heat exchanger 9 and comprises refrigerant heat exchanger side and media for heat exchange side, the exhaust end of refrigerant heat exchanger side is communicated with the suction end of compressor, and carry out exchange heat by the heat transferring medium in the cold-producing medium in refrigerant heat exchanger side and media for heat exchange side, compressor evaporating temperature is adjusted in the optimization temperature range of setting.
Concrete, heat pump also comprises temperature controller, and for the volume control device of heat transferring medium flow in control medium heat exchange side, temperature controller carries out the efficiency of exchange heat according to the cold-producing medium in outdoor environment temperature control refrigerant side and the heat transferring medium in media for heat exchange pipeline in evaporating temperature Automated condtrol heat exchanger, can realize winter heat adjust and/or summer cool tone, compressor evaporating temperature is adjusted in the optimization temperature range of setting.
Above-mentioned heat pump by cold-producing medium and media for heat exchange and by carrying out exchange heat in evaporating temperature optimal control heat exchanger 9, the evaporating temperature of compressor is improved when heat pump can be made to use under low State of Air Temperature, and under the state of heat pump refrigeration and the higher situation of ambient temperature can reduce the evaporating temperature of compressor, reach raising and heat and refrigerating operaton efficiency.
Present invention also provides following embodiment to be specifically described above-mentioned heat pump, as described below concrete:
Embodiment one
As shown in Figure 1, in the present embodiment, provide a kind of compressor evaporating temperature cold, hot mode wind energy heat pump accumulating type air conditioner water heating machine, include by compressor 1, domestic hot-water's coil heat exchanger 2, domestic hot-water's water tank 3, four-way change-over valve 4, air conditioner cold and hot water exports heat exchanger 5, expansion valve 6, heat pump outdoor heat exchanger 7, heat pump outdoor fan 8, evaporating temperature Automatic Optimal controls heat exchanger 9, evaporating temperature Automatic Optimal control pump 10, air-conditioning exports storage pump 11, energy storage water tank 12, air-conditioning exports isolation heat exchanger 13, air-conditioning exports water circulating pump 14, fan coil 15, domestic hot-water's tank stop safety valve 16, running water water compensating valve 17, tap water interface 18, domestic hot-water's output valve 19 and domestic hot-water's output interface 20 connect and compose through pipeline successively.
Concrete, the two ends that evaporating temperature Automatic Optimal controls the media for heat exchange side of heat exchanger 9 to be communicated with energy storage water tank 12 respectively by pipeline and also to form heating hot water recycle system with it, and volume control device is the evaporating temperature Automatic Optimal control pump 10 be arranged between media for heat exchange side and energy storage water tank 12.
The exhaust end of compressor 1 is connected with domestic hot-water's coil heat exchanger 2, and the outer cover of this domestic hot-water's coil heat exchanger 2 is provided with domestic hot-water's water tank 3;
Domestic hot-water's water tank 3 is provided with domestic hot-water's tank stop safety valve 16, running water water compensating valve 17, tap water interface 18, domestic hot-water's output valve 19 and domestic hot-water's output interface 20.Domestic hot-water can be provided for user by this structure.
When winter heating runs, compressor 1 operates, and high-temperature exhaust air first to domestic hot-water's condensation in domestic hot-water's water tank 3 and partial exothermic through domestic hot-water's coil heat exchanger 2, is produced domestic hot-water, and domestic hot-water stored in domestic hot-water's water tank 3.Its most of condensation heat exports the refrigerant side condensation heat release of heat exchanger 5 by four-way change-over valve 4 to air conditioner cold and hot water.Condensed liquid refrigerant is after expansion valve 6 throttling, enter heat pump outdoor heat exchanger 7 and evaporate heat in absorption chamber outer air, gaseous refrigerant after evaporation gasification controls the refrigerant side of heat exchanger 9 through four-way change-over valve 4 to evaporating temperature Automatic Optimal, sucked by compressor 1, continue compression and repeat the operation of above-mentioned refrigeration compression cycle.Major part condensation heat exports the refrigerant side condensation heat release of heat exchanger 5 at air conditioner cold and hot water, air conditioner cold and hot water is exported to the heating water heating of heat exchanger 5 water side circulation, and export the water side of storage pump 11 through air conditioner cold and hot water output heat exchanger 5 by air-conditioning, to energy storage water tank 12, the air-conditioning that is once back to being exported isolation heat exchanger 13 by air-conditioning exports storage pump 11, forms heating water cheap paddy electricity at night accumulation of heat closed circuit.Whole condensation heat constantly to the heating water heating in energy storage water tank 12, and stores among energy storage water tank 12 with hot water form by cyclic process.When needing heating, export storage pump 11 through air-conditioning to circulate the heating hot water that stores exported 13 heat exchange of isolation heat exchanger to secondary through air-conditioning, export by air-conditioning the hot water that air-conditioning to export isolation heat exchanger 13 2 times by water circulating pump 14 and deliver to fan coil 15, by fan coil 15 blowing hot-air to indoor heating heat supply, heating water after heat release is back to air-conditioning and exports water circulating pump 14, air-conditioning is exported the hot water of isolation heat exchanger 13 heat exchange to secondary, supply fan coil 15 blowing hot-air continuously to circulate to indoor heating, realize the object utilizing the heat supply of cheap paddy electric heating winter.
Winter, when outside air temperature is lower, the evaporating temperature of compressor 1 declines, wind energy heat pump heating efficiency is caused to reduce, when heating effect is not good, the rotating speed that evaporating temperature Automatic Optimal control pump 10 accelerated by frequency converter is controlled by temperature controller, the hot side of media for heat exchange that in energy storage water tank 12, hot water controls heat exchanger 9 through evaporating temperature Automatic Optimal is back to energy storage water tank 12, the media for heat exchange hot side heat exchange heat storing hot water being controlled heat exchanger 9 by evaporating temperature Automatic Optimal controls the refrigerant side of heat exchanger 9 to evaporating temperature Automatic Optimal, this heat controls the refrigerant side of heat exchanger 9 in evaporating temperature Automatic Optimal, mix with heat pump outdoor heat exchanger 7 gaseous refrigerant evaporated in absorption chamber outer air after heat and heated by it, overheated gaseous refrigerant is sucked by compressor 1 and compresses and repeats above-mentioned compression operation.Because air-conditioning heat pump outdoor heat exchanger 7 evaporates the gaseous refrigerant in absorption chamber outer air after heat, the media for heat exchange hot side post bake of heat exchanger 9 is controlled by evaporating temperature Automatic Optimal, greatly increase the suction superheat of compressor 1, and then improve the evaporating temperature of compressor.Therefore, the heating efficiency of compressor 1 improves greatly, overcomes the shortcoming because outside air temperature lowly causes heat pump heating efficiency to reduce.The rotating speed of evaporating temperature Automatic Optimal control pump 10, control and flow through flow and the heat that evaporating temperature Automatic Optimal controls heat exchanger 9 hot water, change the evaporating temperature of compressor, and the compressor evaporating temperature preset adjustment changes, to adapt to the different needs of each regional outside air temperature height, by the rotating speed of evaporating temperature Automatic Optimal control pump 10, automatically control and be locked on the rotating speed needed for evaporating temperature that presets.When outside air temperature reduces, the rotating speed of temperature Automatic Optimal control pump 10 increases, and the evaporating temperature of compressor 1 raises, and heat pump heating efficiency improves; Otherwise when outside air temperature raises, the rotating speed of evaporating temperature Automatic Optimal control pump 10 reduces, and the evaporating temperature of compressor 1 reduces, and heat pump heating efficiency declines.The rotation speed change of above-mentioned evaporating temperature Automatic Optimal control pump 10, is completed automatically by temperature controller and frequency-converter device, reaches and improves and the object of steady heat heat pump heating efficiency.Concrete, the sensor setting of temperature controller at the air inlet place of compressor 1, and according to the temperature detected by the evaporating temperature of temperature controller by the rotating speed Automatic Optimal compressor of Frequency Converter Control evaporating temperature Automatic Optimal control pump 10.
During cooling in summer operation of air conditioner, compressor 1 operates, and high-temperature exhaust air first to domestic hot-water's partial condensation heat release in domestic hot-water's water tank 3 through domestic hot-water's coil heat exchanger 2, is produced domestic hot-water, and domestic hot-water stored among domestic hot-water's water tank 3.Its most of condensation heat is then by four-way change-over valve 4 to heat pump outdoor heat exchanger 7, ventilation condensation heat release is compeled by the heat pump outdoor fan Final 8, condensed liquid refrigerant is after expansion valve 6 throttling, enter air conditioner cold and hot water and export heat exchanger 5 refrigerant side, evaporation absorbs heat in the chilled water flowing through air conditioner cold and hot water output heat exchanger 5 water side circulation, gradually chilled water refrigeration is become chilled water, and circulate through the water side of air conditioner cold and hot water output heat exchanger 5 by air-conditioning output storage pump 11, to energy storage water tank 12, isolation heat exchanger 13 is exported once by air-conditioning, be back to air-conditioning and export storage pump 11, by the cold in chilled water, store among energy storage water tank 12 with the form of chilled water.Air conditioner cold and hot water exports the cold-producing medium after the gasification of heat exchanger 5 refrigerant side evaporation endothermic, is controlled the refrigerant side of heat exchanger 9 through four-way change-over valve 4 by evaporating temperature Automatic Optimal, is continued to repeat above-mentioned refrigeration compression cycle run by compressor 1 suction.Absorb heat because chilled water is constantly exported heat exchanger 5 refrigerant side by air conditioner cold and hot water, water temperature reduces gradually, and the chilled water of about 4 DEG C stores within energy storage water tank 12 the most at last.When needing refrigeration air-conditioner, chilled water exports the chilled water of isolation heat exchanger 13 heat exchange to secondary by air-conditioning, exports water circulating pump 14 and delivers to fan coil 15, run to blows cold wind indoors refrigeration air-conditioner through air-conditioning.
Summer, when outside air temperature is higher, the evaporating temperature of compressor 1 rises, wind energy heat pump refrigerating efficiency reduces, when causing refrigeration air-conditioner poor effect, the rotating speed that evaporating temperature Automatic Optimal control pump 10 accelerated by frequency converter is controlled by temperature controller, the hot side of media for heat exchange that chilled water in energy storage water tank 12 controls heat exchanger 9 through evaporating temperature Automatic Optimal is back to energy storage water tank 12, the media for heat exchange hot side heat exchange cold storing chilled water being controlled heat exchanger 9 by evaporating temperature Automatic Optimal controls the refrigerant side of heat exchanger 9 to evaporating temperature Automatic Optimal, this cold controls the refrigerant side of heat exchanger 9 in evaporating temperature Automatic Optimal, export heat exchanger 5 refrigerant side with air conditioner cold and hot water to evaporate to absorb and flow through air conditioner cold and hot water and to export in the chilled water circulated heat exchanger 5 water side after heat, overheated gaseous refrigerant mixing is also lowered the temperature by it, cross cold gaseous refrigerant to be sucked by compressor 1 and compressed and repeat above-mentioned refrigerating operaton.Because air conditioner cold and hot water exports the overheated cold-producing medium of heat exchanger 5 refrigerant side, the hot side of media for heat exchange being controlled heat exchanger 9 by evaporating temperature Automatic Optimal cools, and greatly reduces the evaporating temperature of compressor 1, and then reduces evaporating temperature.Therefore, the refrigerating efficiency of compressor 1 improves greatly, overcomes because outside air temperature raises, causes the shortcoming that heat pump refrigerating efficiency reduces.The rotating speed of evaporating temperature Automatic Optimal control pump 10, control and flow through flow and the cold that evaporating temperature Automatic Optimal controls heat exchanger 9 chilled water, change evaporating temperature, and the compressor evaporating temperature preset adjustment changes, to adapt to the different needs of each regional outside air temperature height, by the rotating speed of evaporating temperature Automatic Optimal control pump 10, automatically control and be locked on the rotating speed needed for evaporating temperature that presets.Otherwise when outside air temperature declines, the evaporating temperature of compressor 1 reduces, and the rotating speed of evaporating temperature Automatic Optimal control pump 10 reduces, and chilled-water flow reduces, and cooling effect reduces, and the evaporating temperature of compressor 1 rises, and heat pump refrigerating efficiency improves.
Store the domestic hot-water in domestic hot-water's water tank 3, be connected with running water by tap water interface 18 through domestic hot-water's tank stop safety valve 16 to running water water compensating valve 17, in trend domestic hot-water water tank 3, supplement running water.Hot water connects domestic hot-water's water supply line through domestic hot-water's output valve 19 by domestic hot-water's output interface 20, supply domestic hot-water.
Embodiment two
As shown in Figure 2, present embodiments provide for a kind of compressor evaporating temperature hot and cold mode wind energy heat pump air conditioner water heating machine, it is compared with embodiment one, disclosed structure is substantially identical, its difference eliminates energy-storage system and energy storage water tank 12, heat exchanger 5 directly hot-water supply winter heating heat supply is exported, supply chilled water cooling in summer air-conditioning by air conditioner cold and hot water.
In this embodiment, media for heat exchange side and air conditioner cold and hot water that evaporating temperature Automatic Optimal controls heat exchanger 9 export import, the outlet of heat exchanger 5 water lateral line, volume control device be arranged on both evaporating temperature Automatic Optimal control pump 10 on connecting lines and evaporating temperature optimization check-valves 21.
Evaporating temperature Automatic Optimal control pump 10 is connected to the water side output that air conditioner cold and hot water exports heat exchanger 5, directly heating hot water is optimized check-valves 21 through evaporating temperature and deliver to the hot side of media for heat exchange that evaporating temperature Automatic Optimal controls heat exchanger 9, complete adjustment automatically and control the object of compressor evaporating temperature.
Other structure is all identical with embodiment one in addition to the above described differences, just no longer repeats to describe at this.
It should be noted that, due to the existence of four-way change-over valve 4, the heat pump described in embodiment one and embodiment two both can winter heat adjust, again can summer cool tone, no matter heat, or refrigeration, all can realize the compressor evaporating temperature of air-conditioning optimization and best operational effect and rationally energy-conservation operational mode automatically.
Embodiment three
As shown in Figure 3, in the present embodiment, provide a kind of compressor evaporating temperature hot mode wind energy heat pump electronic expansion valve controls type air conditioner water heating machine, wherein, it is cold-producing medium that evaporating temperature Automatic Optimal controls heat transferring medium in the media for heat exchange side of heat exchanger 9.
Its concrete structure is: comprise cold-hot wind in compressor 1, four-way change-over valve 4, air conditioning chamber and export Cooling and heating blower 24, expansion valve 6, heat pump outdoor heat exchanger 7 and heat pump outdoor fan 8 in heat exchanger 23, air conditioning chamber.
The two ends of volume control device respectively and the exhaust end of compressor 1 and heat pump outdoor heat exchanger 7, pipeline connection between expansion valve 6, volume control device is be arranged on the evaporating temperature Automatic Optimal electric expansion valve 28 on both connecting lines.The sensor setting of temperature controller is at the air entry place of compressor 1, and the aperture of evaporating temperature Automatic Optimal electric expansion valve 28 is controlled according to the temperature detected, and except heating state, control evaporating temperature Automatic Optimal electric expansion valve 28 in other conditions and be in closed condition.
In this embodiment, the course of work that heat pump is concrete is: high-temperature exhaust air is introduced the media for heat exchange side that evaporating temperature Automatic Optimal controls heat exchanger 9 by the exhaust end of compressor 1, relies on the high-temperature exhaust air heat regulation evaporating temperature of compressor 1.Evaporating temperature Automatic Optimal in Fig. 3 controls the both sides of heat exchanger 9, is all refrigerant side.During work, high-temperature exhaust air one tunnel of compressor 1 enters domestic hot-water's coil heat exchanger 2, completes domestic hot-water and produces and operation of air conditioner; Another road controls the hot side of media for heat exchange of heat exchanger 9 discharged to evaporating temperature Automatic Optimal, the condensation heat heat exchange in high-temperature exhaust air is controlled the refrigerant side of heat exchanger 9 to evaporating temperature Automatic Optimal, and adds the air-breathing of thermocompressor 1, improves evaporating temperature.Evaporating temperature Automatic Optimal controls the liquid refrigerant after the condensation of refrigerant heat release of the hot side of media for heat exchange of heat exchanger 9, optimize after electric expansion valve 28 throttling through evaporating temperature and transport to heat pump outdoor heat exchanger 7, and with expansion valve 6 throttling after transport to the refrigerant mixed of heat pump outdoor heat exchanger 7 after, common input heat pump outdoor heat exchanger 7, in evaporation absorption chamber outer air after heat, the refrigerant side that evaporating temperature Automatic Optimal controls heat exchanger 9 is transported to by four-way change-over valve 4, sucked by compressor 1 and compress, repeat above-mentioned refrigeration compression cycle, complete the operation in compressor evaporating temperature optimal control loop.
Evaporating temperature optimizes electric expansion valve 28, is controlled, by pre-set compressor evaporating temperature, regulate the aperture of its valve by temperature controller, changes the flow of cold-producing medium, automatically adjusts the compressor evaporating temperature in winter.Do not need hot timing when summer, evaporating temperature is optimized electric expansion valve 28 and is automatically closed.
Embodiment four
As shown in Figure 4, in this embodiment, provide a kind of compressor evaporating temperature hot mode wind energy heat pump air conditioner water heating machine, this hot water machine and embodiment one and embodiment two difference are the thermals source that evaporating temperature Automatic Optimal controls heat exchanger 9, are by providing the heat of domestic hot-water to realize in domestic hot-water's water tank 3.Its course of work is: the media for heat exchange side that domestic hot-water controls heat exchanger 9 through evaporating temperature Automatic Optimal control pump 10 to evaporating temperature Automatic Optimal is back among domestic hot-water's water tank 3, completes the operation of compressor evaporating temperature control loop.
Concrete, also comprise cold-hot wind in four-way change-over valve 4, air conditioning chamber and export Cooling and heating blower 24, expansion valve 6, heat pump outdoor heat exchanger 7 and heat pump outdoor fan 8. in heat exchanger 23, air conditioning chamber
The exhaust end of compressor 1 is connected with domestic hot-water's coil heat exchanger 2, and the outer cover of this domestic hot-water's coil heat exchanger 2 is provided with domestic hot-water's water tank 3.
Domestic hot-water's water tank 3 is provided with domestic hot-water's tank stop safety valve 16, running water water compensating valve 17, tap water interface 18, domestic hot-water's output valve 19, domestic hot-water's output interface 20.
The two ends of media for heat exchange side are communicated with domestic hot-water's water tank 3 respectively by pipeline, and forming the circulatory system of domestic hot-water's heat transferring medium, volume control device is the evaporating temperature Automatic Optimal control pump 10 be arranged between media for heat exchange side and domestic hot-water's water tank 3.
And its, compressor evaporating temperature adjustment process was identical with embodiment one, embodiment two in winter, did not just repeat to describe at this.
Herein, in the present embodiment, it is not take hot and cold water as medium that air-conditioning exports, but exports Cooling and heating blower 24 in heat exchanger 23 and air conditioning chamber by cold-hot wind in air conditioning chamber and complete operation of air conditioner to the mode of indoor blast-cold hot blast.
Embodiment five
As shown in Figure 5, present embodiments provide for a kind of compressor evaporating temperature optimized-type wind energy heat pump Minitype domestic hot water device, different from above-mentioned three embodiments, present embodiment eliminates cold-hot wind in four-way change-over valve 4, air conditioning chamber and exports Cooling and heating blower 24 in heat exchanger 23 and air conditioning chamber.Its concrete structure is: comprise compressor 1, domestic hot-water's coil heat exchanger 2, expansion valve 6, heat pump outdoor heat exchanger 7, heat pump outdoor fan 8, and is set in the domestic hot-water's water tank 3 outside domestic hot-water's coil heat exchanger 2.
Domestic hot-water's water tank 3 is provided with domestic hot-water's tank stop safety valve 16, running water water compensating valve 17, tap water interface 18, domestic hot-water's output valve 19, domestic hot-water's output interface 20.
The two ends of media for heat exchange side are communicated with domestic hot-water's water tank 3 respectively, and volume control device is be arranged on the evaporating temperature Automatic Optimal control pump 10 on both connecting line.
During water heating, compressor 1 is vented through domestic hot-water's coil heat exchanger 2 condensation heat release, refrigerant liquid after condensation heat release by after expansion valve 6 throttling to heat pump outdoor heat exchanger 7, in evaporation absorption chamber outer air after heat, refrigerant gas controls the refrigerant side of heat exchanger 9 through evaporating temperature Automatic Optimal, sucked continuation repeated compression by compressor 1 to circulate, complete hot water preparing and store among domestic hot-water's water tank 3.Winter, hot tune process was the same with embodiment three, just no longer repeated to describe at this.
Embodiment six
As shown in Figure 6, in the present embodiment, provide the large-scale domestic hot-water's device of a kind of compressor evaporating temperature optimized-type wind energy heat pump, it is identical with embodiment five, is also domestic hot-water's device, only large-scale domestic hot-water supply unit.
Concrete, comprise compressor 1, condenser 25, expansion valve 6, heat pump outdoor heat exchanger 7, heat pump outdoor fan 8, and carry out domestic hot-water's storage tank 27 of exchange heat with condenser, and be the domestic hot-water's accumulation of heat circulating pump 26 circulated between described condenser 25 and domestic hot-water's storage tank 27.
Domestic hot-water's storage tank 27 is provided with running water water compensating valve 17, tap water interface 18, domestic hot-water's rear pump 29, domestic hot-water's output valve 19 and domestic hot-water's output interface 20 to form.
The two ends of media for heat exchange side are communicated with domestic hot-water's storage tank 27 respectively, and volume control device is be arranged on the evaporating temperature Automatic Optimal control pump 10 on both connecting line.
Its operation principle is: its exhaust of compressor 1 is the refrigerant side by condenser 25, to domestic hot-water's condensation heat release of the water effluent warp of condenser 25, by the domestic hot-water that heats by domestic hot-water's accumulation of heat circulating pump 26, through the water side of condenser 25 to domestic hot-water's storage tank 27, by the domestic hot-water that condensation heat heats, store among domestic hot-water's storage tank 27.
The course of work of other parts and embodiment four is just the same, does not just describe in detail at this.
It should be noted that, the heat pump that above-mentioned embodiment three to embodiment six relates to, can only winter heat adjust, cool tone in summer can not be realized.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (11)
1. the heat pump of a compressor evaporating temperature Automatic Optimal, comprise compressor, it is characterized in that, also comprise evaporating temperature Automatic Optimal and control heat exchanger (9), described evaporating temperature Automatic Optimal controls heat exchanger (9) and comprises refrigerant heat exchanger side and media for heat exchange side, the described exhaust end of refrigerant heat exchanger side is communicated with the suction end of compressor, and carry out exchange heat by the heat transferring medium in the cold-producing medium in refrigerant heat exchanger side and media for heat exchange side, compressor evaporating temperature is adjusted in the optimization temperature range of setting.
2. the heat pump of compressor evaporating temperature Automatic Optimal according to claim 1, it is characterized in that, also comprise temperature controller, and for the volume control device of heat transferring medium flow in control medium heat exchange side, described temperature controller is according to outdoor environment temperature, by described volume control device, control the cold-producing medium in described refrigerant heat exchanger side and the heat transferring medium in media for heat exchange side carries out exchange heat in evaporating temperature Automated condtrol heat exchanger (9), compressor evaporating temperature is adjusted in the optimization temperature range of setting.
3. the heat pump of compressor evaporating temperature Automatic Optimal according to claim 2, it is characterized in that, also comprise four-way change-over valve (4), air conditioner cold and hot water exports heat exchanger (5), expansion valve (6), heat pump outdoor heat exchanger (7), heat pump outdoor fan (8), air-conditioning export isolation heat exchanger (13), air-conditioning exports water circulating pump (14), fan coil (15); Air-conditioning exports storage pump (11);
The two ends of described media for heat exchange side are communicated with the circulatory system also forming with it heating hot water heat transferring medium with energy storage water tank (12) respectively by pipeline, described volume control device is the evaporating temperature Automatic Optimal control pump (10) be arranged between the pipeline of media for heat exchange side and energy storage water tank (12).
4. the heat pump of compressor evaporating temperature Automatic Optimal according to claim 2, it is characterized in that, also comprise four-way change-over valve (4), air conditioner cold and hot water output heat exchanger (5), expansion valve (6), heat pump outdoor heat exchanger (7), heat pump outdoor fan (8), air-conditioning output circulating pump (14), fan coil (15) and air-conditioning and export check-valves (22);
The two ends of described media for heat exchange side export import, the outlet of heat exchanger (5) water lateral line respectively with air conditioner cold and hot water, described volume control device is be arranged on evaporating temperature Automatic Optimal control pump (10) on both connecting lines and evaporating temperature optimization check-valves (21).
5. the heat pump of compressor evaporating temperature Automatic Optimal according to claim 2, it is characterized in that, also comprise cold-hot wind in four-way change-over valve (4), air conditioning chamber and export Cooling and heating blower (24), expansion valve (6), heat pump outdoor heat exchanger (7) and heat pump outdoor fan (8) in heat exchanger (23), air conditioning chamber;
The two ends of described media for heat exchange side respectively and the exhaust end of compressor (1) and heat pump outdoor heat exchanger (7), pipeline connection between expansion valve (6), described volume control device is be arranged on the evaporating temperature Automatic Optimal electric expansion valve (28) on both connecting lines.
6. the heat pump of compressor evaporating temperature Automatic Optimal according to claim 2, it is characterized in that, also comprise cold-hot wind in four-way change-over valve (4), air conditioning chamber and export Cooling and heating blower (24), expansion valve (6), heat pump outdoor heat exchanger (7) and heat pump outdoor fan (8) in heat exchanger (23), air conditioning chamber;
The exhaust end of described compressor (1) is connected with domestic hot-water's coil heat exchanger (2), and the outer cover of this domestic hot-water's coil heat exchanger (2) is provided with domestic hot-water's water tank (3);
Described domestic hot-water's water tank (3) is provided with domestic hot-water's tank stop safety valve (16), running water water compensating valve (17), tap water interface (18), domestic hot-water's output valve (19), domestic hot-water's output interface (20);
The two ends of described media for heat exchange side are communicated with domestic hot-water's water tank (3) respectively by pipeline, and forming the circulatory system of domestic hot-water's heat transferring medium, described volume control device is for being arranged on the evaporating temperature Automatic Optimal control pump (10) between media for heat exchange side and domestic hot-water's water tank (3).
7. the heat pump of compressor evaporating temperature Automatic Optimal according to claim 2, it is characterized in that, also comprise domestic hot-water's coil heat exchanger (2), expansion valve (6), heat pump outdoor heat exchanger (7), heat pump outdoor fan (8), and be set in domestic hot-water's water tank (3) in domestic hot-water's coil heat exchanger (2) outside;
Described domestic hot-water's water tank (3) is provided with domestic hot-water's tank stop safety valve (16), running water water compensating valve (17), tap water interface (18), domestic hot-water's output valve (19), domestic hot-water's output interface (20);
The two ends of described media for heat exchange side are communicated with domestic hot-water's water tank (3) respectively by pipeline, and volume control device is be arranged on the evaporating temperature Automatic Optimal control pump (10) on both connecting line.
8. the heat pump of the compressor evaporating temperature Automatic Optimal according to claim 3 ~ 5 any one, it is characterized in that, the exhaust end of described compressor (1) is connected with domestic hot-water's coil heat exchanger (2), and the outer cover of this domestic hot-water's coil heat exchanger (2) is provided with domestic hot-water's water tank (3);
Described domestic hot-water's water tank (3) is provided with domestic hot-water's tank stop safety valve (16), running water water compensating valve (17), tap water interface (18), domestic hot-water's output valve (19), domestic hot-water's output interface (20).
9. the heat pump of compressor evaporating temperature Automatic Optimal according to claim 2, it is characterized in that, also comprise condenser (25), expansion valve (6), heat pump outdoor heat exchanger (7), heat pump outdoor fan (8), and carry out domestic hot-water's storage tank (27) of exchange heat with condenser (25), and be the domestic hot-water's accumulation of heat circulating pump (26) between described condenser (25) and domestic hot-water's storage tank (27);
Described domestic hot-water's storage tank (27) is provided with running water water compensating valve (17), tap water interface (18), domestic hot-water's rear pump (29), domestic hot-water's output valve (19) and domestic hot-water's output interface (20) to form;
The two ends of described media for heat exchange side are communicated with domestic hot-water's storage tank (27) respectively by pipeline, and volume control device is be arranged on the evaporating temperature Automatic Optimal control pump (10) on both connecting line.
10. the heat pump of the compressor evaporating temperature Automatic Optimal according to claim 3 or 4 or 6 or 7 or 9, it is characterized in that, the sensor setting of described temperature controller at the air entry place of compressor (1), and according to the rotating speed of the temperature detected by Frequency Converter Control evaporating temperature Automatic Optimal control pump (10).
The heat pump of 11. compressor evaporating temperature Automatic Optimal according to claim 5, it is characterized in that, the sensor setting of described temperature controller is at the air entry place of compressor (1), and according to the aperture of evaporating temperature control temperature Automatic Optimal electric expansion valve (28) detected, and except heating state, control temperature Automatic Optimal electric expansion valve (28) is in closed condition in other conditions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510859516.6A CN105299955A (en) | 2015-11-30 | 2015-11-30 | Heat pump system for automatically optimizing evaporation temperature of compressor |
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| CN201510859516.6A CN105299955A (en) | 2015-11-30 | 2015-11-30 | Heat pump system for automatically optimizing evaporation temperature of compressor |
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| CN105299955A true CN105299955A (en) | 2016-02-03 |
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| CN201510859516.6A Pending CN105299955A (en) | 2015-11-30 | 2015-11-30 | Heat pump system for automatically optimizing evaporation temperature of compressor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568196A (en) * | 2016-10-18 | 2017-04-19 | 章郑州 | Air energy hot-water system and control method |
| CN110986141A (en) * | 2019-11-13 | 2020-04-10 | 珠海格力电器股份有限公司 | Automatic control method for heat pump heating machine, computer readable storage medium and heating machine |
| CN111322758A (en) * | 2018-12-17 | 2020-06-23 | 青岛经济技术开发区海尔热水器有限公司 | Hot water air heater and control method thereof |
| CN113048648A (en) * | 2021-05-19 | 2021-06-29 | 大连理工大学 | Machine-pump combined-drive enthalpy-increasing type working medium side waste heat recovery air source heat pump hot water unit for bathing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270939A (en) * | 2008-05-16 | 2008-09-24 | 王全龄 | Feedback auxiliary heating type low-temperature air source heat pump air conditioner |
| CN101270938A (en) * | 2008-05-16 | 2008-09-24 | 王全龄 | Three coupling cascade air source heat pump air conditioner |
| JP2008275214A (en) * | 2007-04-26 | 2008-11-13 | Osaka Gas Co Ltd | Compression type heat pump device |
| US20090158761A1 (en) * | 2003-11-28 | 2009-06-25 | Mitsubishi Denki Kabushiki Kaisha | Refrigerator and air conditioner |
| CN102725596A (en) * | 2009-12-28 | 2012-10-10 | 大金工业株式会社 | Heat pump system |
| CN103245122A (en) * | 2013-05-16 | 2013-08-14 | 王全龄 | Ultra-low-temperature double-circuit heat pump air-conditioning water heater |
| CN205191981U (en) * | 2015-11-30 | 2016-04-27 | 王全龄 | Automatic heat pump system who optimizes of compressor evaporating temperature |
-
2015
- 2015-11-30 CN CN201510859516.6A patent/CN105299955A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090158761A1 (en) * | 2003-11-28 | 2009-06-25 | Mitsubishi Denki Kabushiki Kaisha | Refrigerator and air conditioner |
| JP2008275214A (en) * | 2007-04-26 | 2008-11-13 | Osaka Gas Co Ltd | Compression type heat pump device |
| CN101270939A (en) * | 2008-05-16 | 2008-09-24 | 王全龄 | Feedback auxiliary heating type low-temperature air source heat pump air conditioner |
| CN101270938A (en) * | 2008-05-16 | 2008-09-24 | 王全龄 | Three coupling cascade air source heat pump air conditioner |
| CN102725596A (en) * | 2009-12-28 | 2012-10-10 | 大金工业株式会社 | Heat pump system |
| CN103245122A (en) * | 2013-05-16 | 2013-08-14 | 王全龄 | Ultra-low-temperature double-circuit heat pump air-conditioning water heater |
| CN205191981U (en) * | 2015-11-30 | 2016-04-27 | 王全龄 | Automatic heat pump system who optimizes of compressor evaporating temperature |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568196A (en) * | 2016-10-18 | 2017-04-19 | 章郑州 | Air energy hot-water system and control method |
| CN111322758A (en) * | 2018-12-17 | 2020-06-23 | 青岛经济技术开发区海尔热水器有限公司 | Hot water air heater and control method thereof |
| CN110986141A (en) * | 2019-11-13 | 2020-04-10 | 珠海格力电器股份有限公司 | Automatic control method for heat pump heating machine, computer readable storage medium and heating machine |
| CN110986141B (en) * | 2019-11-13 | 2021-01-29 | 珠海格力电器股份有限公司 | Automatic control method for heat pump heating machine, computer readable storage medium and heating machine |
| CN113048648A (en) * | 2021-05-19 | 2021-06-29 | 大连理工大学 | Machine-pump combined-drive enthalpy-increasing type working medium side waste heat recovery air source heat pump hot water unit for bathing |
| CN113048648B (en) * | 2021-05-19 | 2022-03-04 | 大连理工大学 | Combined-drive enthalpy-increasing working medium side waste heat recovery air source heat pump bathing hot water unit of machine pump |
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